| 释义 |
Palca, R.
- Alcatrazn. 恶魔岛（等于阿尔卡特拉兹岛，是美国旧金山的头号景点...
- placardn. 海报，标语牌；招贴 vt. 公布；张贴，悬挂；张贴...
- pellagran. 糙皮病；玉蜀黍疹
- 读、写、算dú _ xiě _ suàn
the three R's
- 阴极射线管yīn jí shè xiàn guǎn
cathode-ray tube (CRT); cathode-ray lamp; C-R tube
- 絮凝反应xù níng fǎn yīng
flocculoreaction; F. R.
- 每分钟转数měi fèn zhōng zhuǎn shù
revolutions per minute (r/m)
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